diff --git a/snyk/managers.py b/snyk/managers.py
index e7bafd5..0349504 100644
--- a/snyk/managers.py
+++ b/snyk/managers.py
@@ -167,6 +167,7 @@ def _rest_to_v1_response_format(self, project):
             "type": attributes.get("type"),
             "readOnly": attributes.get("read_only"),
             "testFrequency": recurring_tests.get("frequency"),
+            "lastTestedDate": issue_counts.get("updated_at"),
             "isMonitored": True if attributes.get("status") == "active" else False,
             "issueCountsBySeverity": {
                 "low": issue_counts.get("low", 0),
diff --git a/snyk/models.py b/snyk/models.py
index 55dffad..92a29c3 100644
--- a/snyk/models.py
+++ b/snyk/models.py
@@ -580,6 +580,7 @@ class Project(DataClassJSONMixin):
     type: str
     readOnly: bool
     testFrequency: str
+    lastTestedDate: str
     isMonitored: bool
     issueCountsBySeverity: IssueCounts
     importingUserId: Optional[str] = None
@@ -643,7 +644,6 @@ def __getattr__(self, item):
         # These attributes require us to get the latest snapshot
         if item in [
             "totalDependencies",
-            "lastTestedDate",
             "imageId",
             "imageTag",
             "imageBaseImage",
@@ -652,8 +652,6 @@ def __getattr__(self, item):
             snapshot = self._get_project_snapshot()
             if item == "totalDependencies":
                 return snapshot.get("totalDependencies", 0)
-            elif item == "lastTestedDate":
-                return snapshot.get("created")
             elif item == "imageId":
                 return snapshot.get("imageId")
             elif item == "imageTag":
diff --git a/snyk/test_models.py b/snyk/test_models.py
index 2bff89e..fd67ea5 100644
--- a/snyk/test_models.py
+++ b/snyk/test_models.py
@@ -45,6 +45,7 @@ def project(self):
             "type": "npm",
             "readOnly": "false",
             "testFrequency": "daily",
+            "lastTestedDate": "2023-01-13T09:50:54.014Z",
             "isMonitored": "true",
             "issueCountsBySeverity": {
                 "critical": 1,
@@ -348,6 +349,7 @@ def project(self, organization):
             readOnly="false",
             isMonitored="true",
             testFrequency="daily",
+            lastTestedDate="2023-01-13T09:50:54.014Z",
             issueCountsBySeverity={"critical": 1, "low": 8, "high": 13, "medium": 15},
             organization=organization,
         )